-- ScreenGui oluştur
local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "NightModeSystem"
ScreenGui.Parent = game.Players.LocalPlayer:WaitForChild("PlayerGui")
ScreenGui.ResetOnSpawn = false
ScreenGui.IgnoreGuiInset = true -- Kenarları da kaplasın (mobil için üst çentik vb.)

-- ANA KARANLIK OVERLAY (Ekranın tamamını kaplayan siyah katman)
local NightOverlay = Instance.new("Frame")
NightOverlay.Name = "NightOverlay"
NightOverlay.Size = UDim2.new(1, 0, 1, 0)
NightOverlay.Position = UDim2.new(0, 0, 0, 0)
NightOverlay.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
NightOverlay.BackgroundTransparency = 0.3 -- Başlangıç değeri
NightOverlay.BorderSizePixel = 0
NightOverlay.ZIndex = 100
NightOverlay.Parent = ScreenGui

-- SARI/TURUNCU IŞIK FİLTRESİ (Blue Light Filter)
local LightFilter = Instance.new("Frame")
LightFilter.Name = "LightFilter"
LightFilter.Size = UDim2.new(1, 0, 1, 0)
LightFilter.Position = UDim2.new(0, 0, 0, 0)
LightFilter.BackgroundColor3 = Color3.fromRGB(255, 160, 60) -- Turuncu/Sarı
LightFilter.BackgroundTransparency = 1 -- Başlangıçta kapalı
LightFilter.BorderSizePixel = 0
LightFilter.ZIndex = 101 -- Siyahın üstünde
LightFilter.Parent = ScreenGui

-- Blend modu için (renk karışımı)
local LightFilterGradient = Instance.new("UIGradient")
LightFilterGradient.Color = ColorSequence.new({
    ColorSequenceKeypoint.new(0, Color3.fromRGB(255, 200, 100)), -- Açık sarı
    ColorSequenceKeypoint.new(1, Color3.fromRGB(255, 100, 30))   -- Koyu turuncu
})
LightFilterGradient.Parent = LightFilter

-- KONTROL PANELİ (Küçük, modern tasarım)
local ControlPanel = Instance.new("Frame")
ControlPanel.Name = "ControlPanel"
ControlPanel.Size = UDim2.new(0, 320, 0, 180)
ControlPanel.Position = UDim2.new(0.5, -160, 0.1, 0)
ControlPanel.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
ControlPanel.BorderSizePixel = 0
ControlPanel.ZIndex = 200
ControlPanel.Parent = ScreenGui

-- Yuvarlak köşeler
local PanelCorner = Instance.new("UICorner")
PanelCorner.CornerRadius = UDim.new(0, 16)
PanelCorner.Parent = ControlPanel

-- Gölge efekti
local PanelShadow = Instance.new("ImageLabel")
PanelShadow.Name = "Shadow"
PanelShadow.AnchorPoint = Vector2.new(0.5, 0.5)
PanelShadow.BackgroundTransparency = 1
PanelShadow.Position = UDim2.new(0.5, 0, 0.5, 0)
PanelShadow.Size = UDim2.new(1, 40, 1, 40)
PanelShadow.ZIndex = 199
PanelShadow.Image = "rbxassetid://5554236805"
PanelShadow.ImageColor3 = Color3.fromRGB(0, 0, 0)
PanelShadow.ImageTransparency = 0.5
PanelShadow.ScaleType = Enum.ScaleType.Slice
PanelShadow.SliceCenter = Rect.new(23, 23, 277, 277)
PanelShadow.Parent = ControlPanel

-- Başlık çubuğu
local TitleBar = Instance.new("Frame")
TitleBar.Size = UDim2.new(1, 0, 0, 40)
TitleBar.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
TitleBar.BorderSizePixel = 0
TitleBar.ZIndex = 201
TitleBar.Parent = ControlPanel

local TitleCorner = Instance.new("UICorner")
TitleCorner.CornerRadius = UDim.new(0, 16)
TitleCorner.Parent = TitleBar

-- Başlık metni
local Title = Instance.new("TextLabel")
Title.Size = UDim2.new(1, -90, 1, 0)
Title.Position = UDim2.new(0, 15, 0, 0)
Title.BackgroundTransparency = 1
Title.Text = "🌙 Gece Modu"
Title.TextColor3 = Color3.fromRGB(255, 255, 255)
Title.TextSize = 18
Title.Font = Enum.Font.GothamBold
Title.TextXAlignment = Enum.TextXAlignment.Left
Title.ZIndex = 202
Title.Parent = TitleBar

-- Aç/Kapa Butonu
local ToggleButton = Instance.new("TextButton")
ToggleButton.Size = UDim2.new(0, 70, 0, 28)
ToggleButton.Position = UDim2.new(1, -115, 0.5, -14)
ToggleButton.BackgroundColor3 = Color3.fromRGB(0, 200, 100)
ToggleButton.Text = "AKTİF"
ToggleButton.TextColor3 = Color3.fromRGB(255, 255, 255)
ToggleButton.TextSize = 13
ToggleButton.Font = Enum.Font.GothamBold
ToggleButton.ZIndex = 202
ToggleButton.Parent = TitleBar

local ToggleCorner = Instance.new("UICorner")
ToggleCorner.CornerRadius = UDim.new(0, 8)
ToggleCorner.Parent = ToggleButton

-- Kapatma butonu
local CloseButton = Instance.new("TextButton")
CloseButton.Size = UDim2.new(0, 28, 0, 28)
CloseButton.Position = UDim2.new(1, -38, 0.5, -14)
CloseButton.BackgroundColor3 = Color3.fromRGB(255, 70, 70)
CloseButton.Text = "×"
CloseButton.TextColor3 = Color3.fromRGB(255, 255, 255)
CloseButton.TextSize = 20
CloseButton.Font = Enum.Font.GothamBold
CloseButton.ZIndex = 202
CloseButton.Parent = TitleBar

local CloseCorner = Instance.new("UICorner")
CloseCorner.CornerRadius = UDim.new(0, 8)
CloseCorner.Parent = CloseButton

-- İçerik alanı
local ContentFrame = Instance.new("Frame")
ContentFrame.Size = UDim2.new(1, -30, 1, -55)
ContentFrame.Position = UDim2.new(0, 15, 0, 50)
ContentFrame.BackgroundTransparency = 1
ContentFrame.ZIndex = 201
ContentFrame.Parent = ControlPanel

-- === 1. KARANLIK SEVİYESİ KAYDIRICISI ===
local DarknessLabel = Instance.new("TextLabel")
DarknessLabel.Size = UDim2.new(1, 0, 0, 20)
DarknessLabel.BackgroundTransparency = 1
DarknessLabel.Text = "Karanlık Seviyesi: 70%"
DarknessLabel.TextColor3 = Color3.fromRGB(220, 220, 220)
DarknessLabel.TextSize = 14
DarknessLabel.Font = Enum.Font.GothamSemibold
DarknessLabel.TextXAlignment = Enum.TextXAlignment.Left
DarknessLabel.ZIndex = 202
DarknessLabel.Parent = ContentFrame

-- Karanlık slider arka plan
local DarknessSliderBg = Instance.new("Frame")
DarknessSliderBg.Size = UDim2.new(1, 0, 0, 14)
DarknessSliderBg.Position = UDim2.new(0, 0, 0, 25)
DarknessSliderBg.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
DarknessSliderBg.BorderSizePixel = 0
DarknessSliderBg.ZIndex = 202
DarknessSliderBg.Parent = ContentFrame

local DarknessSliderBgCorner = Instance.new("UICorner")
DarknessSliderBgCorner.CornerRadius = UDim.new(0, 7)
DarknessSliderBgCorner.Parent = DarknessSliderBg

-- Karanlık slider dolgu
local DarknessSliderFill = Instance.new("Frame")
DarknessSliderFill.Size = UDim2.new(0.7, 0, 1, 0)
DarknessSliderFill.BackgroundColor3 = Color3.fromRGB(100, 100, 100)
DarknessSliderFill.BorderSizePixel = 0
DarknessSliderFill.ZIndex = 203
DarknessSliderFill.Parent = DarknessSliderBg

local DarknessSliderFillCorner = Instance.new("UICorner")
DarknessSliderFillCorner.CornerRadius = UDim.new(0, 7)
DarknessSliderFillCorner.Parent = DarknessSliderFill

-- Karanlık slider tutamacı
local DarknessKnob = Instance.new("TextButton")
DarknessKnob.Size = UDim2.new(0, 26, 0, 26)
DarknessKnob.Position = UDim2.new(0.7, -13, 0.5, -13)
DarknessKnob.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
DarknessKnob.Text = ""
DarknessKnob.ZIndex = 204
DarknessKnob.Parent = DarknessSliderBg

local DarknessKnobCorner = Instance.new("UICorner")
DarknessKnobCorner.CornerRadius = UDim.new(1, 0)
DarknessKnobCorner.Parent = DarknessKnob

-- === 2. SARI IŞIK FİLTRESİ KAYDIRICISI ===
local FilterLabel = Instance.new("TextLabel")
FilterLabel.Size = UDim2.new(1, 0, 0, 20)
FilterLabel.Position = UDim2.new(0, 0, 0, 70)
FilterLabel.BackgroundTransparency = 1
FilterLabel.Text = "Sarı Işık Filtresi: 0%"
FilterLabel.TextColor3 = Color3.fromRGB(255, 200, 100)
FilterLabel.TextSize = 14
FilterLabel.Font = Enum.Font.GothamSemibold
FilterLabel.TextXAlignment = Enum.TextXAlignment.Left
FilterLabel.ZIndex = 202
FilterLabel.Parent = ContentFrame

-- Sarı slider arka plan
local FilterSliderBg = Instance.new("Frame")
FilterSliderBg.Size = UDim2.new(1, 0, 0, 14)
FilterSliderBg.Position = UDim2.new(0, 0, 0, 95)
FilterSliderBg.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
FilterSliderBg.BorderSizePixel = 0
FilterSliderBg.ZIndex = 202
FilterSliderBg.Parent = ContentFrame

local FilterSliderBgCorner = Instance.new("UICorner")
FilterSliderBgCorner.CornerRadius = UDim.new(0, 7)
FilterSliderBgCorner.Parent = FilterSliderBg

-- Sarı slider dolgu (Gradient)
local FilterSliderFill = Instance.new("Frame")
FilterSliderFill.Size = UDim2.new(0, 0, 1, 0) -- Başlangıçta 0
FilterSliderFill.BackgroundColor3 = Color3.fromRGB(255, 180, 50)
FilterSliderFill.BorderSizePixel = 0
FilterSliderFill.ZIndex = 203
FilterSliderFill.Parent = FilterSliderBg

local FilterSliderFillCorner = Instance.new("UICorner")
FilterSliderFillCorner.CornerRadius = UDim.new(0, 7)
FilterSliderFillCorner.Parent = FilterSliderFill

-- Gradient efekti sarı slider için
local FilterFillGradient = Instance.new("UIGradient")
FilterFillGradient.Color = ColorSequence.new({
    ColorSequenceKeypoint.new(0, Color3.fromRGB(255, 220, 100)), -- Açık sarı
    ColorSequenceKeypoint.new(1, Color3.fromRGB(255, 140, 30))   -- Koyu turuncu
})
FilterFillGradient.Parent = FilterSliderFill

-- Sarı slider tutamacı
local FilterKnob = Instance.new("TextButton")
FilterKnob.Size = UDim2.new(0, 26, 0, 26)
FilterKnob.Position = UDim2.new(0, -13, 0.5, -13)
FilterKnob.BackgroundColor3 = Color3.fromRGB(255, 200, 80)
FilterKnob.Text = ""
FilterKnob.ZIndex = 204
FilterKnob.Parent = FilterSliderBg

local FilterKnobCorner = Instance.new("UICorner")
FilterKnobCorner.CornerRadius = UDim.new(1, 0)
FilterKnobCorner.Parent = FilterKnob

-- Tutamak gölgesi
local FilterKnobGlow = Instance.new("ImageLabel")
FilterKnobGlow.BackgroundTransparency = 1
FilterKnobGlow.Position = UDim2.new(0.5, -20, 0.5, -20)
FilterKnobGlow.Size = UDim2.new(0, 40, 0, 40)
FilterKnobGlow.Image = "rbxassetid://5554236805"
FilterKnobGlow.ImageColor3 = Color3.fromRGB(255, 180, 50)
FilterKnobGlow.ImageTransparency = 0.6
FilterKnobGlow.ScaleType = Enum.ScaleType.Slice
FilterKnobGlow.SliceCenter = Rect.new(23, 23, 277, 277)
FilterKnobGlow.ZIndex = 203
FilterKnobGlow.Parent = FilterKnob

-- FONKSİYONLAR

local isNightMode = true
local currentDarkness = 0.3 -- 0 = tam siyah, 1 = şeffaf
local currentFilter = 0 -- 0 = kapalı, 1 = tam sarı

-- Karanlık slider güncelleme
function updateDarkness(value)
    value = math.clamp(value, 0, 1)
    currentDarkness = value
    
    if isNightMode then
        NightOverlay.BackgroundTransparency = value
    end
    
    DarknessSliderFill.Size = UDim2.new(1 - value, 0, 1, 0)
    DarknessKnob.Position = UDim2.new(1 - value, -13, 0.5, -13)
    
    local percentage = math.round((1 - value) * 100)
    DarknessLabel.Text = "Karanlık Seviyesi: " .. percentage .. "%"
    
    -- Gri tonundan siyaha geçiş
    local grayValue = math.floor(100 + (1 - value) * 155)
    DarknessSliderFill.BackgroundColor3 = Color3.fromRGB(grayValue, grayValue, grayValue)
end

-- Sarı filtre slider güncelleme
function updateFilter(value)
    value = math.clamp(value, 0, 1)
    currentFilter = value
    
    LightFilter.BackgroundTransparency = 1 - (value * 0.7) -- Max 0.3 opaklık (hafif olsun)
    
    FilterSliderFill.Size = UDim2.new(value, 0, 1, 0)
    FilterKnob.Position = UDim2.new(value, -13, 0.5, -13)
    
    local percentage = math.round(value * 100)
    FilterLabel.Text = "Sarı Işık Filtresi: " .. percentage .. "%"
    
    -- Tutamak rengi değişimi
    local r = 255
    local g = math.floor(200 - (value * 60)) -- 200 -> 140 (sarıdan turuncuya)
    local b = math.floor(100 - (value * 70)) -- 100 -> 30
    FilterKnob.BackgroundColor3 = Color3.fromRGB(r, g, b)
end

-- Toggle fonksiyonu
ToggleButton.MouseButton1Click:Connect(function()
    isNightMode = not isNightMode
    
    if isNightMode then
        ToggleButton.Text = "AKTİF"
        ToggleButton.BackgroundColor3 = Color3.fromRGB(0, 200, 100)
        NightOverlay.Visible = true
        LightFilter.Visible = true
        updateDarkness(currentDarkness)
        updateFilter(currentFilter)
    else
        ToggleButton.Text = "PASİF"
        ToggleButton.BackgroundColor3 = Color3.fromRGB(200, 50, 50)
        NightOverlay.Visible = false
        LightFilter.Visible = false
        DarknessLabel.Text = "Karanlık: Kapalı"
        FilterLabel.Text = "Filtre: Kapalı"
    end
end)

-- Slider sürükleme sistemleri
local UserInputService = game:GetService("UserInputService")

-- Karanlık slider
local draggingDarkness = false

DarknessKnob.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        draggingDarkness = true
    end
end)

DarknessSliderBg.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        local pos = math.clamp((input.Position.X - DarknessSliderBg.AbsolutePosition.X) / DarknessSliderBg.AbsoluteSize.X, 0, 1)
        updateDarkness(1 - pos)
        draggingDarkness = true
    end
end)

-- Sarı filtre slider
local draggingFilter = false

FilterKnob.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        draggingFilter = true
    end
end)

FilterSliderBg.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        local pos = math.clamp((input.Position.X - FilterSliderBg.AbsolutePosition.X) / FilterSliderBg.AbsoluteSize.X, 0, 1)
        updateFilter(pos)
        draggingFilter = true
    end
end)

-- Input değişimleri
UserInputService.InputChanged:Connect(function(input)
    if draggingDarkness and (input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch) then
        local pos = math.clamp((input.Position.X - DarknessSliderBg.AbsolutePosition.X) / DarknessSliderBg.AbsoluteSize.X, 0, 1)
        updateDarkness(1 - pos)
    end
    
    if draggingFilter and (input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch) then
        local pos = math.clamp((input.Position.X - FilterSliderBg.AbsolutePosition.X) / FilterSliderBg.AbsoluteSize.X, 0, 1)
        updateFilter(pos)
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        draggingDarkness = false
        draggingFilter = false
    end
end)

-- Panel sürükleme
local panelDragging = false
local dragStart = nil
local startPos = nil

TitleBar.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        panelDragging = true
        dragStart = input.Position
        startPos = ControlPanel.Position
    end
end)

UserInputService.InputChanged:Connect(function(input)
    if panelDragging and (input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch) then
        local delta = input.Position - dragStart
        ControlPanel.Position = UDim2.new(
            startPos.X.Scale,
            startPos.X.Offset + delta.X,
            startPos.Y.Scale,
            startPos.Y.Offset + delta.Y
        )
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        panelDragging = false
    end
end)

-- Kapatma butonu
CloseButton.MouseButton1Click:Connect(function()
    ScreenGui:Destroy()
end)

-- Başlangıç ayarları
updateDarkness(0.3)
updateFilter(0)

-- Klavye kısayolu (N tuşu)
UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if not gameProcessed and input.KeyCode == Enum.KeyCode.N then
        ToggleButton.MouseButton1Click:Fire()
    end
end)